Kent Breeze Corporation MacLeod Windmill Project Inc.Kent Breeze Corporation MacLeod Windmill...
Transcript of Kent Breeze Corporation MacLeod Windmill Project Inc.Kent Breeze Corporation MacLeod Windmill...
Kent Breeze Corporation MacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
Construction Plan Report
MAY 2010
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TABLE OF CONTENTS
May 2010 Page i.
1. INTRODUCTION ...................................................................................................................... 1
2. PURPOSE ................................................................................................................................ 2
3. PRE-CONSTRUCTION ACTIVITIES ....................................................................................... 3
4. CONSTRUCTION AND INSTALLATION ACTIVITIES ............................................................ 5
5. ENVIRONMENTAL EFFECTS, MITIGATION MEASURES, AND MONITORING ................ 12
Appendix 1 – Conceptual Site Plans Appendix 2 – Construction Materials and Equipment Details Appendix 3 – Technical Memos (Water Resources)
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May 2010
1. INTRODUCTION
The purpose of this management plan is to outline the methodology to be used by Kent Breeze
Corporation & MacLeod Windmill Project in implementing construction activities during the
construction phase of the Kent Breeze Wind Farms projection in the Municipality of Chatham-Kent.
The report fulfills the requirement of Item 2 in Table 1 of Ontario Regulation 359/09. The
proponents are proposing to construct two 4-turbine wind farms at the following locations:
Project 1 – Part Lots 8-11, Concession 1, in the geographic Township of Camden, in the Municipality of Chatham-Kent, on the south side of Smoke Line, east of Huffs Side Road; and
Project 2 – Part Lots 4-6, Concession 1 & 2, in the geographic Township of Camden, in the Municipality of Chatham-Kent, on the north and south side of Smoke Line, west of Huffs Side Road.
The original owners of the proponent companies are the owners of all the lands and are involved in
the day-to-day farming of the subject lands, and as such have made great efforts to establish good
relations with the local community and plan to be a long-term member of the community. Suncor,
the new owner of the proponent companies, continues to work with both the original developers and
the community to foster positive working relationships. During construction, the company’s
emphasis will always be on control and mitigation of wind farm effects on the local community and
the environment.
The goal of the proponents during the construction of the wind farm projects will be:
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Safe work performance; On-schedule facility completion; Quality assurance (QA); Municipal cooperation; and Excellent community relations.
2. PURPOSE
This document will provide general information to neighbours and the general public, municipal staff
and the Provincial approval authority regarding the wind farm projects as well as outline
implementation procedures and protocols. This will facilitate understanding of the construction of
the wind farm.
2.1 Scope of the Construction Plan
The Construction Plan includes the following specific areas:
Construction Activities – This section addresses the pre-construction studies, construction surveys,
project management, and all aspects of construction of the project to be completed before the
operational stage of the projects is reached.
Construction Timeframe – This section addresses the expected timeframe from the commencement
of construction to the point at which the project begins to operate.
Environmental Impacts of Construction Activities and Mitigation Measures – This portion of the
Construction Plan addresses any expected negative environmental impacts as a result of
construction activities based on background research. The section also outlines the commitments
by the owners of the wind farms to mitigate any negative environmental impacts.
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3. PRE-CONSTRUCTION ACTIVITIES
3.1 Pre-Construction Surveys
3.1 .1 CONSTRUCTION SURVEYS
Site surveys will be carried out to accurately record the exact locations and position of the wind
turbines, the access road routes, and various terminal points and interfaces of the services
required, in conformance with the site plans provided in Tab 4 of this application, the Design and
Operations Report. Prior to proceeding with construction, the survey will clearly identify, for the
construction crews:
Access roads, cable routing;
Wind turbine locations;
Limits of the construction service area and temporary storage area;
Electrical distribution line connections and arrangement; and
The proximity of overhead lines, natural gas, water, communication, power supply and drainage point connections as necessary.
The survey will be undertaken by an Ontario Land Surveyor who will define, on plan, the boundaries
of the facilities related to the legal property survey and UTM coordinates, NAD83, for registration of
the plan after construction is complete. Levels will be taken as necessary to fully define the site
profile and will be used as the vertical and horizontal control points for the project.
3 .1 .2 ELECTRICAL WORK
The following electrical work will be undertaken to finalize the detailed electrical design of the
projects:
Short Circuit Study – to evaluate and determine the peak duty and maximum break duty fault currents on all of the wind turbines and the interconnecting switchgear of the grid systems.
Electrical System Coordination Study – to fully specify power fuse ratings, protective relay characteristics and settings, ratios and characteristics;
Grounding System Study - utilizing information on soil resistivity that has been made available through on-site testing.
It is noted that, because the wind turbine generating equipment produces electricity at the distribution system voltage where the project interconnects (27.6kV), no substation transformers are required for the project. Instead of a substation, electrical lines will collect at a switching station complete with a metering device and various
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protection equipment where it will then connect to the Hydro One 27.6kV distribution system.
3.2 Site Supervision
The pre-construction activities will be managed by lead discipline engineers reporting to a Project
Manager. Detailed engineering packages will be provided for the procurement of engineered
equipment from vendors and third party suppliers. Detailed engineering drawings and material take-
off lists will be provided for procuring bulk electrical materials and construction of the balance of
plant.
The Project Manager will have overall responsibility for managing this phase of the project. Senior
discipline engineers and the project manager will review and approve each of the vendors'
packages, drawings, specifications and designs to ensure that the design of the project will meet
the intended duty and will comply with specified requirements of the Owners.
3.3 Project Management
3.3 .1 ROLE
The Owner’s Project Manager will be responsible for the successful completion of the wind farm
projects. The Project Manager will be supported on the Project by off-site design, procurement,
project administration, planning/scheduling, construction management and supervision and other
personnel assigned from affiliated companies, as required, to manage subcontractors and to self-
perform work required to complete the Project.
3 .3 .2 SITE CONSTRUCTION
The Project Manager, or delegated team member, will monitor and review all aspects of the
construction of the project to ensure that the work is undertaken safely in accordance with the
requirements of the drawings and specifications and in accordance to the project programme. The
Project Manager will be responsible for the entire projects site activities until the construction phase
of the projects close out. The Project Manager will be assisted and supported at various times
throughout the construction phase by construction superintendents; civil and electrical personnel;
commissioning and quality control; and/or health and safety professionals.
3 .3 .3 SITE MANAGEMENT RESPONSIB IL IT IES
The Project Manager and the team will:
Maintain good safety and health programs and practices as well as good environment control programs as part of all work activities;
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Execute site construction, installation and testing of equipment to a high standard of quality;
Act as an interface with operational staff, the subcontractors, third party inspectors (TPI) and other organizations involved with the Project;
Manage any environmental and safety issues during construction and commissioning;
Assist the Commissioning Engineer and their team in conducting site tests, including pre-commissioning, plant start-up, commissioning and supervise the TPI as required;
Organize and attend regular site co-ordination meetings, progress meetings and prepare minutes of meetings;
Maintain on-site, complete and proper records of the progress of the Project;
Maintain accounts and records of the cost of the works;
Maintenance of correct as-built drawings reflecting all changes and modifications;
Training of operations and maintenance personnel; and
Construction completion, testing and commissioning of all balance of plant items.
3 .3 .4 SUBCONTRACT MANAGEMENT
Subcontract control will be conducted to ensure that any subcontractors carry out their work at the
site in accordance with the Project safety and quality requirements and complete their work in
accordance with the Project schedule. Any subcontractors will be controlled, with emphasis on
safety; control of technical information; fulfilling reporting requirements; inspection and testing of
construction material; and non-conformance and quality control.
4. CONSTRUCTION AND INSTALLATION ACTIVITIES
4.1 Materials
Construction of the project will involve the materials outlined in the attached Appendix 2 (Materials
Description). Heavy machinery, metal re-bar and wiring will be stored temporarily at the
construction service area and temporary storage area (Appendix 1). Aggregate for the access
roads and turbine staging areas will be delivered on-site as required. Upon completion of the roads
and underground cabling, concrete for the turbine foundations will be delivered as required.
Following curing of the concrete, turbines will be delivered and temporarily laid down adjacent to
foundation areas. It is anticipated that the temporary turbine lay down areas will not last longer than
4-5 days as installation of an individual turbine can be completed within this approximate timeframe.
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4 .1 .1 TRANSPORTATION TO AND FROM SITE
The following chart outlines the detailed size, type and approximate number of trucks used to
construct the project. It is estimated that approximately 3882 trips will be required through this
process.
Task Description Number of loads
Mobilization and Offices Office and Storage Set up. Approximately 4 loads for each 6 contractors
24
Large Equipment Deliveries 2 Excavator 2 floating 4
2 Loader 2 floating 4
1 Grader 2 floating 2
2 80-Ton Crane 2 floating 4
1 300-Ton Crane 2 floating 12
1 1600-Ton Crane 2 floating 112
Access Road Materials Soil Excavation and Spread 1/2 quantity - 15,652 m³
525
granular A & B 850
Crane pad and erection Area Excavation 335
Backfill 270
Foundation Excavation 750
Engineering Fill 35
Mud Slab 7m³ per truck 55
Concrete footing 640
Concrete Pumps 24
Formwork 8 floating total 16
Steel Reinforcement 2 loads per footing
16
Anchor bolts and adaptor 8
Wind Turbines 16 truck loads for each tower 128
Cable and Trenching Cable reel delivery 20
Trenching equipment (2 sets) transport
4
Directional drilling equipment transport
4
Electrical Misc Major Equipment Deliveries 6
HONI line work deliveries 2
General Delivery Not Elsewhere Listed
Assume 2 delivery per week for the construction duration
32
Total loads 3882
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4.2 Construction Equipment
Construction of the project will involve the machinery outlined in the attached Appendix 2
(Construction Equipment). Such machinery will involve noise and dust emissions to within norms
established for the construction industry in Ontario. Movement of earth and travel on turbine access
roads will generate small amounts of dust which will fall on the project area. Water sprayers for the
purposes of dust control are planned for public and turbine access roads as required by the
municipality.
Fuels (diesel and gasoline), lubricants (motor oils, hydraulic oils), and coolants (glycol blends) are
used in the construction equipment; typical refuelling practice for mobile equipment is as follows:
re-fuelling for smaller vehicles will take place at the construction service area (Appendix 1) that include a 500 gallon (double wall, vacuum) fuel tank, complete with fuel pump and safeties such as excess flow valves, and level limit controls
for larger vehicles and cranes that cannot come to the construction service area, fuel is taken to them in fuel trucks;
spill kits are available at the construction service area and within fuel trucks.
Equipment is transported to and from the project area on flatbed trailers (referred to as "floated")
between each wind turbine site, as well as on/off site where it is not permitted for the equipment to
travel on public roads. In general, machines with "tracks" have to be floated (tracked cranes, front
end loader) over public roads.
4.3 Wind Turbines
4.3 .1 STORAGE
The majority of the project components will be temporarily stored at a central location identified in
Appendix 1 (Temporary Storage Area). Wind turbines may be stored in this location, or, if delivery
schedules permit, stored adjacent to the individual
permanent erection locations.
4 .3 .2 FOUNDATIONS
Wind turbine foundation areas will be excavated by
tracked excavators to a depth of 2.5 meters (m). The
projects will employ the use of piled foundations (see
picture) due to local soil conditions which include a flat,
soft, thick upper strata. The excavation compromises
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the existing drainage tiles within the field resulting in some collection of surface water after a rain
event. As a result small quantities of surface water may be required to be pumped from the
excavation. Due to the shallow depth of the turbine bases (2.5m), the depth of the surrounding
water table (approximately 5 metres) and the permeability of the soils, groundwater is not expected
to enter the excavation (see Dewatering Memorandum - Appendix 3). Water collected in the
foundation would be limited to surface water run-off during a rain event, thus dewatering activities
would be periodic with precipitation events. Dewatering methods will employ a silt bag on the end
of the pump discharge and use a sump as a suction point to pick up less saturated soil. Given the
small amount of dewatering required, the outlets for any dewatering activities will be located
adjacent to foundation areas and directed away from crops to avoid crop damage.
4 .3 .3 TURBINE ERECTION
Wind turbine erection will be carried out using a crawler crane or truck mounted crane across
identified access roads on privately owned lands. All movement of heavy machinery is conducted
by engineered lifts. A crane movement plan will be expedited with the objective of minimizing
impacts to public rights-of-way and public traffic.
Turbines will be installed as per specifications provided by GE Energy. Wind turbine erection will
occur when conditions allow for safe assembly conditions including wind speed and meteorological
conditions. Wind speeds on-site will be measured at ½ hour intervals using a wind anemometer
located on the top of the main crane.
4.4 Electrical Infrastructure
These projects are distribution level projects and
do not require the construction of any electrical
transformers or transmission lines and as a result
will contain no noise generating equipment. Two
self-contained electrical switching stations (see
picture) will be delivered on flatbed trailers and
mounted on concrete pads at the identified
locations. Underground cabling will connect to the
switching stations at these locations and be
connected directly to the existing Hydro One Networks 27.6kv lines overhead.
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4.5 Timing
4.5 .1 OBJECTIVE
The development of an achievable and comprehensive schedule is essential to the success of the
Project. A project schedule will be updated, based on approval of the REA application, which will
form the basis of progress monitoring and act as principal indicator toward overall completion of the
Project.
The subcontractor programmes will be reviewed to ensure that they accurately reflect the sequence
and timing of Project activities. If any anomalies are identified, the Project Manager will discuss
these with the subcontractors to ensure that the detailed schedule is agreed to and is acceptable to
all parties.
4 .5 .2 TIMELINE
It is expected that project construction will take approximately six (6) months to complete.
Construction of the project will begin as soon as building permits are granted by the Municipality of
Chatham-Kent. Timing of activities will be as follows:
Mobilization and office setup: 1-2 weeks
Large equipment deliveries: 1-2 weeks
Access road and crane pad / erection area construction: 4-8 weeks
Foundations: 6-12 weeks
Wind Turbines 2-4 weeks
Cable and Trenching 2-4 weeks
Approximate timing of construction phase: 16-24 weeks
Hours of operation for the above-noted activities will range from 8-12 hours a day depending on
seasonal limitations and project deadlines. Construction activities will generally not occur outside
the hours of 7am to 7pm. However, some construction activities may happen outside of this
timeframe for items such as concrete finishing, late deliveries, critical lifts (may best be done later in
the evening when winds reduce), and bolt ups once tower sections are put in place, which need to
be secured before releasing the crane. These after-hours activities will not produce noise
exceeding the municipal guidelines.
4.6 Temporary Uses of Land
A construction service area and temporary storage area is identified on the conceptual plan being
within and adjacent to the existing machine shed located on-site (Appendix 1). The approximate
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outdoor temporary storage area will be 0.75 hectares in size. These lands are currently used for
storage and field crop agricultural purposes and will be used for such purposes after the completion
of the construction phase of the project in accordance with the above-noted timing of this phase of
the project.
4.7 Excavation Materials
All areas of disturbance due to construction of project components will be remediated for
agricultural purposes. All topsoil excavated will be used elsewhere on-site for agricultural
improvements where possible. Approximately half of the fill excavated for turbine foundations will
be required to be trucked off-site. Such off-site materials will be clean and offered to surrounding
landowners or taken to area contractors for future construction purposes. Such activities would
involve approximately 5000m³ of clean fill and 150 vehicle trips.
4.8 Traffic Management
The purpose of this section is to identify the safety measures, transport routes, monitoring and
rehabilitation of municipal roads as needed over the duration of the project construction. The intent
will be to maintain safe use of the roadways and minimize interference with the existing farm and
passenger traffic around the wind farm sites.
4 .8 .1 PRE-CONSTRUCTION
The Project Manager will meet with the municipality to identify the location of the temporary laydown
area, the expected use of abutting roads, any road improvements or changes needed for access
points or drain crossings in accordance with established municipal criteria. The Project Manager
will identify the expected number of days of construction and hours of construction. It is expected
the construction process will take six months. The Project Manager will advise the municipality of
any unexpected changes to transport routes or timing due to delays. The Project Manager will work
with the Municipality to determine best routes and timing related to school bus routes.
The Project Manager and the municipal roads superintendent will inspect the proposed access
routes to the construction sites to confirm the road conditions, sight lines, signage locations, drain
crossings, and need for possible road improvements. This inspection will form the base line for
future road rehabilitation as required. The Project Manager and municipality will determine a
reasonable deposit in the form of a letter of credit or parental company guarantee to ensure
rehabilitation of any road damage.
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4 .8 .2 CONSTRUCTION
The Project Manager will manage traffic in accordance with all Provincial and municipal laws in the
applicable jurisdiction. The Project Manager will ensure that the appropriate signage is posted at
the entrance and exit to the construction site, warning of the activity. The Project Manager will
provide the necessary personnel to ensure safe ingress, egress, and traffic flow, to and through the
project area as needed. The site will ensure safe turning movements to and from the site to avoid
the need to back onto public roads. During construction all signage, signalling and related controls
will be undertaken in accordance with the Manual of Uniform Traffic Control Devices, Ministry of
Transportation Division 5, Temporary Conditions, April, 1987.
The Project Manager will ensure the road is maintained and cleaned as needed in accordance with
municipal standards. On a weekly basis, the Project Manager will ensure that no construction
debris or mud from the site is left on the public roadway. The Project Manager will report any
damage resulting from construction activity to the municipality.
4 .8 .3 POST-CONSTRUCTION
Once construction of the projects is completed, the Project Manager will undertake an inspection of
public roads used during construction with municipal staff to identify any required maintenance or
damage. The results of the inspection will be documented. Where road damage is identified, the
Project Manager will obtain estimates to repair the road to the pre-construction condition. The
Project Manager will also restore any temporary site access points and remove any temporary road
improvements related to the project. The municipality will return the deposit upon satisfactory
inspection of the public roads and any repair work within three months of the end of construction.
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5. ENVIRONMENTAL EFFECTS, MITIGATION MEASURES, AND MONITORING
This section gives detailed descriptions of the potential negative environmental impact that may be
encountered during the construction phase, in or within 300 metres of the project area. Following
each description are details of how the proponents will address any negative effects through
mitigation and impact management measures. Next, a summarization of the expected net
effect will be outlined based on any mitigation and impact management measures. Such net
effects will be described on the following basis:
Minimal – potential negative effects may be encountered during construction phase, but is
otherwise not encountered during life of project;
Low – potential negative effects may result in small deviations to the baseline data, but
further commitments are not normally required;
Medium – potential negative effects may result in significant but stable deviations to the
baseline data, and further commitments through research, monitoring, should be
considered;
High – potential negative effects could create unsustainable impacts and are considered
a concern. Further commitments should be considered to reduce effects.
Finally, each subsection will conclude with a discussion of future commitments where necessary
based on level of net effects.
5.1 Potential Negative Effects – Surface and Groundwater
5 .1 .1 IMPACT
5.1.1.1 Surface water
During the construction period of the wind farms, a potential exists for negative impacts to surface
water features in the project area as a result of soil runoff and/or erosion, particularly where
crossing of municipal drains is required during construction of access roads and underground
cabling. The only surface water on site is in the form of drainage ditches adjacent to roads.
5.1.1.2 Groundwater
During the construction period of the wind farms, a potential would exist for negative impacts to
groundwater quality primarily as a result of turbine base construction.
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5.1.1.3 Accidental Spills
During the construction period of the wind farms, a potential would exist for the accidental spilling of
oil/fuel related to construction machinery and generator equipment.
5 .1 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
5.1.2.1 Surface water
The proponents will utilize a combination of best management practices (BMP’s); DFO supervision
(through the LTVCA as the acting DFO agents); and in the case of the Shaw-Ferguson Drain
crossing, a permit issued by the Saint Clair River Conservation Authority (SCRCA) in co-operation
with the Department of Fisheries and Oceans (DFO). The DFO will require construction in
accordance with their Operational Statement for High Pressure Directional Drilling and Operational
Statement for Culvert Maintenance. The list of BMP’s is included in Appendix 3 to this report.
5.1.2.2 Groundwater
The proponents will utilize best management practices (BMP’s) to prevent groundwater
contamination. The list of BMP’s is included in Appendix 3 to this report. Groundwater
contaminated from accidental spills is not anticipated if the mitigation measures below are
implemented and contained to avoid contact with the groundwater table.
5.1.2.3 Accidental Spills
Any accidental spills will be dealt with immediately in accordance with the Ontario Ministry of the
Environment’s Spills and Discharges Reporting Protocol as required by the Ontario Environmental
Protection Act (s.92 and s.15) and Ontario Regulation 675/98. All construction vehicles transporting
fuels during construction will be supplied with a spill kit for limiting the migration of the spills.
Personnel will be trained on what actions to take should a accidental spill occur. Should a spill
occur the proponent will remediate the contaminated area in accordance with Ontario Regulation
347.
5 .1 .3 NET EFFECT
5.1.3.1 Surface water
The net effects to any surface water features based on the background research and after all
mitigation and impact management measures outlined in the technical memorandums (Appendix 3)
are implemented will be minimal.
5.1.3.2 Groundwater
The net effects to any groundwater resources based on the background research after all mitigation
and impact management measures outlined in the technical memorandums (Appendix 3) are
implemented will be minimal.
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5.1.3.3 Accidental Spills
Should any accidental spills occur, it is expected that compliance with the impact management
procedures outlined, will result in minimal net effects.
5 .1 .4 FUTURE COMMITMENTS
5.1.4.1 Surface water
None required as construction phase is temporary.
5.1.4.2 Groundwater
None required as construction phase is temporary.
5.1.4.3 Accidental Spills
None required as construction phase is temporary.
5.2 Potential Negative Effects – Land Use
5.2 .1 IMPACT
Construction activities may inhibit enjoyment of use of surrounding land uses. The construction
activities will impact the agricultural land use of a small percentage of the land the project is situated
on during the 6 month construction phase.
5 .2 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
Abidance by this document will ensure that construction activities occur in accordance with best
management practices. Upon completion of the construction phase (approximately 6 months) this
effect will be removed.
5 .2 .3 NET EFFECT
The net effect of construction activities on surrounding land uses is temporary in nature and may
therefore be considered minimal.
5 .2 .4 FUTURE COMMITMENTS
None required.
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5.3 Potential Negative Effects – Air and Noise
5.3 .1 IMPACT
5.3.1.1 Air pollutants
Construction activities will involve the use of heavy machinery (ie. trucks, cranes) that emit air
pollutants consistent with any construction project.
5.3.1.2 Greenhouse Gas Emissions
As with air pollutants described above, the construction phase of the project will require heavy
machinery that contributes to greenhouse gas emissions.
5.3.1.3 Dust / Odour
The construction phase of the project will require heavy machinery that creates dust during dry
months and odour related to vehicle emissions.
5.3.1.4 Construction Noise
The construction phase of the project will require heavy machinery that creates noise associated
with vehicle movements.
5 .3 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
5.3.2.1 Air pollutants
All heavy duty vehicles operating in southern Ontario (diesel and non-diesel) are subject to the
Ministry of the Environment’s Drive Clean vehicle emissions testing program.
5.3.2.2 Greenhouse Gas Emissions
As above, the MOE Drive Clean requirements will address CO² emissions associated with
construction vehicles.
5.3.2.3 Dust/Odour
The proponents will undertake water spraying of access roads during dry months to reduce dust;
minimize construction vehicle idling on public rights-of-way; and cleanup of debris on public rights-
of-way caused by construction vehicles.
5.3.2.4 Construction Noise
The proponents will restrict hours of construction activities based on enforced municipal standards,
and abide by any regulations regarding idling on public rights-of-way in proximity to off-site noise
receptors. The proponents will ensure effective mufflers are installed on all diesel exhausts. The
proponents will keep traffic as much as possible to Huff's Side Road and minimize traffic on roads
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with a greater number of dwellings such as on Smoke Line. The proponents will restrict engine
braking along sensitive public roads such as Huff's Side Road, Evergreen Line, and Smoke Line.
5 .3 .3 NET EFFECT
5.3.3.1 Air pollutants
Any net effects associated with air pollutants are temporary and minimal in terms of the lifespan of
the project.
5.3.3.2 Greenhouse Gas Emissions
Any net effects associated with CO² emissions are temporary and minimal in terms of the lifespan of
the project.
5.3.3.3 Dust/Odour
Any net effects associated with dust and odour is temporary in nature and minimal in terms of the
lifespan of the project.
5.3.3.4 Construction Noise
Any net effects associated with construction noise are temporary in nature and minimal in terms of
the lifespan of the project.
5 .3 .4 FUTURE COMMITMENTS
5.3.4.1 Air pollutants
None required as construction phase is temporary.
5.3.4.2 Greenhouse Gas Emissions
None required as construction phase is temporary.
5.3.4.3 Dust/Odour
None required as construction phase is temporary.
5.3.4.4 Construction Noise
None required as construction phase is temporary.
5.4 Potential Negative Effects – Natural Environment
5.4 .1 IMPACT
5.4.1.1 Wildlife
During the construction period there may exist a potential for faunal disturbance as a result of
construction noise and human presence on the project area. The two species of concern in the
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
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May 2010 Page 17
Study Area are the Bald Eagle and the Eastern Fox Snake. The Natural Heritage Study (NHS)
report did not identify any significant faunal habitat or corridors within the Study Area. The NHS also
indicates that provided the project components are not located within any woodlots in the Study
Area there will be no direct impacts on faunal wildlife. Some disturbance to hedgerows and scrub
vegetation area will occur with underground cable routing at MacLeod-4 and in the area located
between MacLeod-1 turbine and the southwesterly direct drill location under the Mason Drain as
shown on the Conceptual Site Plan. However such activities are expected to occur late in the
calendar year based on the project schedule and therefore not disturb any bird nesting areas.
The Avian Impact Study specifically noted the bald eagle nesting location along the Thames River
as a potential area of concern. The bald eagle nesting location was confirmed as being over 1km
south of the project area, which is beyond the 800m tertiary buffer for such nesting locations as
described by the Ministry of Natural Resources.
5.4.1.2 Fish
Several water crossings have been identified for access road construction and cabling routes.
However, refined site planning has eliminated all surface water crossings, with only direct drilling
required under drain crossings. Construction at water crossings may have an impact on
downstream fish habitat. The NHS indicates the majority of watercourses in the project area are
agricultural drains that are intermittent and ephemeral in nature.
5.4.1.3 Migratory Birds
During the construction phase of the project there may exist a potential for negative effects to
migratory birds. However, the relatively small area of the projects and absence of any other
planned projects within the surrounding 5 kilometres would allow for alternative routes for migratory
birds. In addition, the project areas include no staging areas for migratory birds. Spring and fall
migration studies indicate that the majority of migrating birds fly well above or below the swept area
of the wind turbines. The turbine erection is scheduled for late December early January after the
fall migration period.
5.4.1.4 Bats
Past research indicates that bat mortality is lowest in open grassland and farmland away from
forests and shorelines. The NHS also indicates there are no known bat hibernacula, potential bat
habitat or linear habitat features in the project areas.
5 .4 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
5.4.2.1 Wildlife
To mitigate any potential impacts on wildlife habitat, the wind farms have been designed to locate
all project components including turbines, access roads, cabling and switching station outside of
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
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KENT BREEZE WIND FARMS
May 2010 Page 18
any woodlots located on the subject lands. The following paragraphs outline how previous
mitigation measures have been addressed through reduction of the project area and refined site
planning.
Recommended impact management measures related to ensuring the protection of the local bald
eagles and their nest site(s) were identified in the original Avian Study when the project area
included lands south of Longwoods and adjacent to the Thames River and within the 800 metre
tertiary buffer zone of nest location, and included:
Placement of turbines at maximum practical distance from the noted nest locations, and
the Thames River in general.
Restriction of construction activities so that they do not occur near the nest site between
the time of initial return of parents to the nest to 3 or 4 weeks after fledging.
Restrictions on operation of those turbines closest to the nest site during the same period
noted above for restrictions on construction activity.
Given that the project area has removed all lands south of Longwoods Road and do not include any
construction activities within 1km of the nesting location, which is beyond the 800 metre tertiary
buffer area of bald eagle nesting locations, these mitigation measures have been met to protect the
nesting sites along the Thames River.
Recommended mitigation measures to limit disruption of the Eastern Fox Snake habitat are to
conduct proper timing of culvert installation. Construction activities near the habitat of the eastern
fox snake should be completed during the hibernation period.
5.4.2.2 Fish
The proponents have consulted with the local conservation authorities in their capacity as
representatives of the Department of Fisheries and Oceans (DFO) and have not identified any
concerns. Mitigation measures will include construction in accordance with the DFO Operational
Statement for High Pressure Directional Drilling and Operational Statement for Culvert
Maintenance, administered through permitting (SCRCA) and/or direct DFO supervision (LTVCA).
5.4.2.3 Migratory Birds
Mitigation recommendations for migratory birds include placing all turbines as far as possible from
the Thames River and restricting operation of the turbines during periods of heavy fog. It is noted
that during the construction phase, turbines will not be in operation, and therefore will not be
rotating. Operational mitigation measures are discussed in the Design & Operations Report.
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
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KENT BREEZE WIND FARMS
May 2010 Page 19
5.4.2.4 Bats
Mitigation measures for protecting bats include locating wind turbines at least 50 metres from
woodlots. It is noted that during the construction phase, turbines will not be in operation, and
therefore will not be rotating. Operational mitigation measures are discussed in the Design &
Operations Report.
5 .4 .3 NET EFFECT
5.4.3.1 Wildlife
It is anticipated based on the recommended mitigation and impact management measures and
subsequent wind farm design that the net effects to any faunal wildlife will be low.
In regards to the bald eagle nesting locations, the initial Avian Impact Study included studying lands
for potential project components south of Longwoods Road and adjacent to the Thames River.
Subsequent wind farm design work has removed lands south of Longwoods Road from the project
area and placed the nearest turbine approximately 1.7 kilometres from the identified bald eagle
nesting site, and the nearest areas of construction activities over 1 kilometre from the nesting
location, and 750 metres north of the Thames River in general. Based on these mitigation
measures, the expected net effects to bald eagles and their nesting sites in the area is low.
5.4.3.2 Fish
Based on compliance with the DFO operational statements and the required permit for crossing the
Shaw-Ferguson Drain (SCRCA), the expected net effects to fish habitat are minimal.
5.4.3.3 Migratory Birds
Based on the monitoring conducted on-site and location and features of Study Area, there is no
obvious reason to expect significant occurrence of migratory birds, particularly at turbine height, in
the Project Area. As such the expected net effects to migratory birds are low.
5.4.3.4 Bats
Based on the background research and placement of turbines almost 3 times beyond the
recommended 50 metre setback, it is expected the net effect to bats and bat habitat will be minimal.
5 .4 .4 COMMITMENTS
5.4.4.1 Wildlife
Future commitments for determining effects to wildlife include additional field monitoring efforts
conducted in the first year of operations. Details of such commitments will be confirmed by the local
conservation authorities and/or Environment Canada – Canadian Wildlife Service.
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May 2010 Page 20
5.4.4.2 Fish
There are no proposed future commitments to address the net effects to fish habitat.
5.4.4.3 Migratory Birds
Future commitments for determining effects to migratory birds include additional field monitoring
efforts conducted for up to three years in accordance with the Ministry of Natural Resources
requirements during the operational phase of the projects. Operational commitments are discussed
in the Design & Operations Report.
5.4.4.4 Bats
Future commitments for determining effects to bats and bat habitat include additional field
monitoring efforts conducted for up to three years in accordance with the Ministry of Natural
Resources requirements during the operational phase of the projects. Operational commitments
are discussed in the Design & Operations Report.
5.5 Potential Negative Effects – Resources
5.5 .1 IMPACT
5.5.1.1 Prime Agricultural Lands
The project components will require approximately 75,000 m² of Canada Land Inventory Class 2
soils to be taken out of agricultural production.
5.5.1.2 Agricultural Production
The landowners will lose approximately 1.7% of their lands that are currently used for cash crop
purposes.
5 .5 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
5.5.2.1 Prime Agricultural Lands
All areas of disturbance due to construction of project components will be remediated for
agricultural purposes. All topsoil excavated will be used elsewhere on-site for agricultural
improvements where possible.
5.5.2.2 Agricultural Production
Access roads will be designed in a manner that minimizes the length required and locates them as
close to the edge of cultivated fields as possible.
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
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KENT BREEZE WIND FARMS
May 2010 Page 21
5 .5 .3 NET EFFECT
5.5.3.1 Prime Agricultural Lands
The proposed mitigation measures will result in a net effect on prime agricultural lands which is
minimal.
5.5.3.2 Agricultural Production
The proposed mitigation measures will result in a net effect on agricultural production which is
minimal.
5 .5 .4 FUTURE COMMITMENTS
5.5.4.1 Prime Agricultural Lands
None required.
5.5.4.2 Agricultural Production
None required.
5.6 Potential Negative Effects – Socio-Economic
5.6 .1 IMPACT
Construction and delivery traffic will result in temporary short-term disruptions for local traffic. The
probability for traffic accidents is also increased where construction vehicles are entering/exiting
private lands along rural roads.
5 .6 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
Impact management measures related to such issues as hours of construction activity, required
road closures, and road maintenance and repairs will be undertaken in accordance with municipal
regulations. Signs warning of construction activity will be provided in accordance with requirements
of the applicable road authority.
5 .6 .3 NET EFFECT
The impacts of construction traffic on surrounding roads are temporary in nature (approx. 6 months)
and are therefore considered to have minimal net effect.
5 .6 .4 FUTURE COMMITMENTS
None required
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May 2010 Page 22
5.7 Potential Negative Effects – Heritage and Culture
5.7 .1 IMPACT
A Stage 1 Archaeological Assessment was conducted and determined that there is a moderate to
high potential for archaeological resources due to the location of the project area, particularly its
proximity to the Thames River. There are no protected heritage properties that are part of the
project or within 120 metres of the project area that would be impacted by construction activities.
5 .7 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
A Stage 2 Archaeological Assessment was undertaken and determined the potential for
archaeological materials where construction of project components is to occur for two turbine
locations. A Stage 3 Archaeological Assessment was undertaken at those 2 locations. The results
have indicated no concerns with proceeding with construction at the locations identified in the
Project Description Report. The Ministry of Tourism and Culture has signed off on the
archaeological assessments.
5 .7 .3 NET EFFECT
The net effect to archaeological and heritage resources is considered minimal given the mitigation
measures used to document and recover any potential archaeological materials, and the absence
of any cultural heritage resources on the project area.
5 .7 .4 FUTURE COMMITMENTS
There are no further commitments proposed without results from the detailed Stage 2 assessment.
5.8 Potential Negative Effects – Waste
5.8 .1 IMPACT
Construction activities will result in use of lubricating and hydraulic fluids that require proper
disposal.
5 .8 .2 MIT IGATION AND IMPACT MANAGEMENT MEASURES
Any hazardous wastes shall be disposed of at provincially licensed facilities.
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May 2010 Page 23
5 .8 .3 NET EFFECT
Proper disposal of any hazardous wastes during the construction period suggests that the net effect
of this issue is minimal.
5 .8 .4 FUTURE COMMITMENTS
The facilities will be licensed as a waste generation facility as per Ontario Regulation 347 and will
be subject to regulated disposal of waste at licensed facilities. Emergency spill kits will be
maintained in the project areas at all times during the construction phase. Operational
commitments are discussed in the Design & Operations Report.
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I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
Kent Breeze CorporationMacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
APPEN DIX 1 – S ITE PLANS
Legendk Turbine
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! Utility Line300m Project Area BufferSignificant Woodlot (As per Official Plan)Other VegitationContour LineRailroadRoadWatercourseClosed Tile DrainAgriculture
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REMOVED TURBINE REMOVED
TURBINECOURTNEY DRAIN
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Kent Breeze Wind Farms & Macleod Windmill Project
1:17,500 (11 X 17 Layout)
0 1,000500Metres
Key Map : Municipality of Chatham-Kent
Study Area
ª
Site Plan
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DIRECT DRILLUNDER DRAIN
DIRECT DRILLUNDER TRACKS
DIRECT DRILLUNDER TRACKS
MACLEOD SWITCHING STATION
KENT SWITCHING STATION
DIRECT DRILLUNDER ROAD
DIRECT DRILLUNDER DRAIN
July 9, 2010
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
Kent Breeze CorporationMacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
APPENDIX 2 – CONSTRUCTION MATERIALS AND EQU IPMENT DETAILS
Prepared by R.Skinner3-May-10
General Description of Materials Used For Construction
Kent Breeze CorporationKent Breeze Wind Farm and MacLeod Windmill Project (8 Ea x 2.5 MW = 20MW, 2 Points of Interconnection)GE 2.5 x I with a 100m rotor and 85 m tower hightDeliveries: Heavy (Mult-Axle) Vehicle Movements To/From Each Wind Turbine Location, or Common Areas
Item Description Qty Unit Deliveries Comments
11.1 General Costs / Suppervision & Site Cost
Mob and Demob (General Contractor) 1 LS 6 Office Trailers and Equipment Mob and Demob (Electrical Contractor) 1 LS 6 Office Trailers and Equipment Const. Facilities, Temporary Areas/Cleanup 1 LS inc. Fencing / Barriers / Signage 1 LS 1 Temp road maintenance - contract snow removal / dust control 4 Mths 0 See construction equipment Commissioning, Temporary Power (Diesel generators) 1 LS 1 Truck mounted diesel generator if req'd Sanitation Units, Janitorial Service 4 Mths 12 Waste bins / portable toiletsTotal Construction Indirects & General Items 26
2 Civil Works
2.1 Improve Existing Roads/ Drainage Regrading at Tracks 488 m3 33 Granular A/B or pit run Intersection improvements (x3) 573 m3 38 Granular A/B or pit run Intersection improvements / pole signage relocation 1 ea 0 See construction equipment
Subtotal 712.2 New Access Roads 3,913 m straight and bends = total (m)
Soil Excavation and Spreading 14,674 m3 0 Spread on site Subgrade Compaction 39,130 m2 0 See construction equipment Geogrid 27,391 m2 16 7 m2/m Supply & Place Granular B (95% Comp) 11,739 m3 783 6m x 0.5m = 3 m3/m Supply & Place Granular A (100% compaction) 978 m3 65 5m x 0.05m = 0.25m3/m
Subtotal 8642.3 Crane Pads and Erection Areas 8 EA
Unclassified Excavation (for 16mx30m crane pad, surface dimensions) 5,880 m3 0 Spread on site Surface Timming/Preparation 1 Ea 0 See construction equipment Geogrid 3,840 m2 8 100% (30m x 16m)
Construction Indirects & General Items, Civil and Electrical
g ( )
Supply and Place Granular B 4,216 m3 281 17mx31mave, accounts for 1:1 edge slope
Subtotal 2892.4 Foundation for Wind Turbines 8 EA
Unclassified Excavation 10,960 m3 365 Assume 1/2 trucked off site, "clean" fill Engineered Fill 480 m3 32 Gradation control granular material Conduit, 4" PVC 1,920 m 8 240 m each, foundation to S&C switch Ground wire 4/0 copper 2,040 m 8 255 m each Mud slab - 15 MPa concrete 360 m3 51 mud slab: 15 cm x 300m2/ea Concrete - 30 MPa - Supply and Install 4,440 m3 634 Con volume 555 m3/Ea Formwork 444 m2 16 One steel / timber formwork set each Sika Grout - 55 Mpa 8 m3 8 1m3/turbine Steel Anchor Bolt System and Anchor Ring 8 Ea 8 Structural Steel Leveling Frame 8 ea 8 Concrete Finishing 3,330 m2 0 See construction equipment Reinforcing Steel - 400 MPa - Supply and Place 444,000 kg 16 100kg steel/m3 concrete Backfill - Unclassified Material 7,200 m3 0 Replacement of excavated material Dewatering 8 Ea 8 One portable pump set each if req'd Reinstate topsoil area 6,520 m2 0 Replacement of stockpiled topsoil
Subtotal 1,163Total Civil Works 2,387
3 Electrical Works3.2 27.6 kV Swiching Station
Civil Works, Subtotal (Details Below) Station Prep (Strip topsoil, Geogrid, Stone) - Clear and grub (50%) 600 m2 See construction equipment - Strip topsoil (50 x 25 x 0.3) x 2 300 m3 Stockpile on site - Place station stone (20 x 25 x 0.3) x 2 300 m3 20 - Install Geogrid (20*25) x 2 1,000 m2 1 - Cable Trench 100 m inc. in trenching - Station Drainage 200 m 1 Perforated PVC drainage tile
Prepared by R.Skinner3-May-10
General Description of Materials Used For Construction
Kent Breeze CorporationKent Breeze Wind Farm and MacLeod Windmill Project (8 Ea x 2.5 MW = 20MW, 2 Points of Interconnection)GE 2.5 x I with a 100m rotor and 85 m tower hightDeliveries: Heavy (Mult-Axle) Vehicle Movements To/From Each Wind Turbine Location, or Common Areas
Item Description Qty Unit Deliveries Comments
Concrete Slab (Switchgear building) 30 m3 4 Fence & Gate (Galvanized steel) 180 m 2
WTG Connection Station 27.6 kV Equipment Subtotal - 27.6 kV Switchgear: CB, PTs, CT 2 LS Installed in E House - 27.6 V / 600 V SST 2 LS Installed in E House - Grounding transformer and resistor 2 LS Installed in E House - Substation Protection Equipment (Relay, Panels, & cables) 2 set Installed in E House - SCADA hardware and programming 1 LS 1 Installed in service center (Demeter) - SCADA, misc telecomm equipment and connections 1 LS inc. - Revenue Metering 2 LS 1Switching station auxiliaries : - 27.6 kV Switchgear building & Services 2 LS In E House package - Outdoor lighting 2 LS 1 - Switching station grounding 500 m 1 - LV cables 2 LS - Aux. 600v & 120/240V AC Power System 2 LS In E House package - Aux 125VDC system, including DC cables 2 LS In E House packageE-House Package 2 ea 4
Subtotal 3627.6 kV Collection System U/G Collection System - TrenchesTrench for Single Circuit, neat quantity 7,977 m 1,000 mm trenching Excavation 4,800 m3 0 See construction equipment Sand Backfill 2,400 m3 160 0.6mx0.5m=0.3m3/m, included above Granular B Backfill 2,400 m3 160 0.3m3/m, included above
Subtotal 320
Directional Drill Allowance 7 EA 0 See construction equipmentq pDirectional Drill HDPE Casing, 4" 210 m 1 30m each
3.3 27.6 kV U/G Collection System Subtotal U/G 27.6 KV cables, neat quantity: 7,977 40 Cable reels AWG # 1, 3C CU 28kV 133% or equal in Alum 7,366 m inc. AWG 250, 3C CU 28kV 133% or equal in Alum 1,572 m inc. AWG 300, 3C CU 28kV 133% or equal in Alum 635 m inc. Additional cost for power cable steel armor 1 LS inc. Collection system grounding wire copper 4/0 9,572 m 8
Collection system fiber cables & auxiliaries 9,572 m 4 Collection system fiber auxiliaries 1 LS 1 Collection system control cable (8c, 14 AWG) 600 m 1 Cable terminations 48 set inc.
Cabe connectors 6 set inc. 34.5 kV, 25kA, S&C Vista Switchgear, cat # 853214-P94 8 each inc. 34.5 kV, 25kA, S&C Vista Switchgear, cat # TBA (3 pole) 1 each inc. S&C Switches 1 LS 2 Pad Mounted Lightning Arrestor 12 set inc. Concrete Bollards for Switches (Steel casing used for form) 8 each 8 Grounding for WTG (moved to foundations) moved m inc.
Subtotal 64
Total Electrical Works (3.1 to 3.3) 420
5 Turbine Erection (formerly in Suncor's Budget)5.1 Turbine Erection and Mechanical Completion 8 ea
- Turbine erection and mechanical completion - material deliveres 8 ea 144 Various - see GE document - Aviation Lights 5 ea inc.
Total Turbine Erection and Mechanical Completion 144
Prepared by R.Skinner3-May-10
General Description of Materials Used For Construction
Kent Breeze CorporationKent Breeze Wind Farm and MacLeod Windmill Project (8 Ea x 2.5 MW = 20MW, 2 Points of Interconnection)GE 2.5 x I with a 100m rotor and 85 m tower hightDeliveries: Heavy (Mult-Axle) Vehicle Movements To/From Each Wind Turbine Location, or Common Areas
Item Description Qty Unit Deliveries Comments
6 Owner's Scope Upgrade Existing Drainage/Drain Tile repairs - coupling kits (rubber) 200 Ea 1 Repair made by landowner Permanent Meteorlogical Towers 1 ea 2 Remediation of Local Roads - granular 6,000 m 50 25mm topping Riser Poles For Interconnection - wood, 50ft 6 ea 2 Hydro One scope Crane Pad Site Clearing (Brushing, Applicable to MacLeod 4) 10,560 m2 0 See construction equipment New Access Roads Granular Removal 1,200 m3 80 400m of passing lanes (the roads stay) New Access Roads Reinstate topsoil area 2,250 m3 0 See construction equipment Crane Pads Granular Removal 4,216 m3 281 Crane Pads Reinstate topsoil area 5,880 m3 0 See construction equipment Service Center, Renovations to Existing Property 1 LS 2 General materials, eg. drywall, timberTotal Owner's Scope 417
Total Construction Including Owner's Scope 3,394
Prepared by R.Skinner3-May-10
General Description of Construction Equipment
Kent Breeze CorporationKent Breeze Wind Farm and MacLeod Windmill Project (8 Ea x 2.5 MW = 20MW, 2 Points of Interconnection)GE 2.5 x I with a 100m rotor and 85 m tower hightQuantity of Construction Equipment Movements to/from Each Wind Turbine and Common AreasEquipment is Floated (Loaded onto Flatbeds) Where not Mobile
Item Description Qty UnitCrane Mobile
15tCrane Mobile
80tCrane Mobile
300t
Crane, Track, 1600t
(Float)
Excavator (Float)
Loader GraderRoller/
Compactor (Float)
Other Mobile Equipment
Comments
11.1 General Costs / Suppervision & Site Cost
Mob and Demob (General Contractor) 1 LS 1 Crane to lift into place Mob and Demob (Electrical Contractor) 1 LS 1 Crane to lift into place Const. Facilities, Temporary Areas/Cleanup 1 LS inc. 1 Fencing / Barriers / Signage 1 LS 1 Loader to move materials as required Temp road maintenance - contract snow removal / dust control 4 Mths 0 12 Snow plow, water trucks Commissioning, Temporary Power (Diesel generators) 1 LS 0 Truck mounted diesel generator if req'd Sanitation Units, Janitorial Service 4 Mths 0 Waste bins / portable toilets General Material Movements for Maintenance and Pre-Comm 1 LS 8 8 Crane and flatbed truck to move partsTotal Construction Indirects & General Items 10 0 0 0 0 2 0 0 12
2 Civil Works
2.1 Improve Existing Roads/ Drainage Regrading at Tracks 488 m3 0 1 1 1 Intersection improvements (x3) 573 m3 0 3 3 3
Construction Indirects & General Items, Civil and Electrical
p ( ) Intersection improvements / pole signage relocation 1 ea 1 1 2 Flatbed, pole puller (vehicle TBD)
Subtotal 1 0 0 0 0 5 4 4 22.2 New Access Roads 3,913 m
Soil Excavation and Spreading 14,674 m3 0 8 Spread on site Subgrade Compaction 39,130 m2 0 8 Geogrid 27,391 m2 8 Supply & Place Granular B (95% Comp) 11,739 m3 0 8 8 8 Supply & Place Granular A (100% compaction) 978 m3 0 8 8
Subtotal 8 0 0 0 16 0 24 16 02.3 Crane Pads and Erection Areas 8 EA
Unclassified Excavation (for 16mx30m crane pad, surface dimensions) 5,880 m3 0 Spread on site Surface Timming/Preparation 1 Ea 0 2 Geogrid 3,840 m2 8 Supply and Place Granular B 4,216 m3 0 8 8 8
Subtotal 8 0 0 0 8 2 8 8 02.4 Foundation for Wind Turbines 8 EA
Unclassified Excavation 10,960 m3 0 8 Assume 1/2 trucked off site, "clean" fill Engineered Fill 480 m3 0 8 Gradation controlled granular material Engineered Fill 480 m3 0 8 Gradation controlled granular material Conduit, 4" PVC 1,920 m 8 Ground wire 4/0 copper 2,040 m 8 Mud slab - 15 MPa concrete 360 m3 0 8 Concrete pump truck Concrete - 30 MPa - Supply and Install 4,440 m3 0 8 Concrete pump truck Formwork 444 m2 8 One steel / timber formwork set each Sika Grout - 55 Mpa 8 m3 8 8 On-site mixer and grout pump Steel Anchor Bolt System and Anchor Ring 8 Ea 8 Structural Steel Leveling Frame 8 ea 8 Concrete Finishing 3,330 m2 0 8 Vibration equipment Reinforcing Steel - 400 MPa - Supply and Place 444,000 kg 8 16 Bobcat to move materials to work area Backfill - Unclassified Material 7,200 m3 0 8 8 Replacement of excavated material Dewatering 8 Ea 0 8 Forklift or bobcat Reinstate topsoil area 6,520 m2 0 8 8 Replacement of stockpiled topsoil
Subtotal 56 0 0 0 24 8 16 0 56Total Civil Works 73 0 0 0 48 15 52 28 58
3 Electrical Works3.2 27.6 kV Swiching Station
Civil Works, Subtotal (Details Below)Civil Works, Subtotal (Details Below) Station Prep (Strip topsoil, Geogrid, Stone) - Clear and grub (50%) 600 m2 2 See construction equipment - Strip topsoil (50 x 25 x 0.3) x 2 300 m3 inc. Stockpile on site - Place station stone (20 x 25 x 0.3) x 2 300 m3 2 - Install Geogrid (20*25) x 2 1,000 m2 2 - Cable Trench 100 m 2 Trenching machine - Station Drainage 200 m 2 Backhoe Concrete Slab (Switchgear building) 30 m3 2 Concrete vibrator Fence & Gate (Galvanized steel) 180 m 2
WTG Connection Station 27.6 kV Equipment Subtotal - 27.6 kV Switchgear: CB, PTs, CT 2 LS Installed in E House - 27.6 V / 600 V SST 2 LS Installed in E House - Grounding transformer and resistor 2 LS Installed in E House - Substation Protection Equipment (Relay, Panels, & cables) 2 set Installed in E House - SCADA hardware and programming 1 LS Installed in service center (Demeter) - SCADA, misc telecomm equipment and connections 1 LS- Revenue Metering 2 LS 2 2 Electric utility truck with bucket - Revenue Metering 2 LS 2 2 Electric utility truck with bucket
Switching station auxiliaries : - 27.6 kV Switchgear building & Services 2 LS In E House package - Outdoor lighting 2 LS 2 Electric utility truck with bucket - Switching station grounding 500 m 2 Trenching machine - LV cables 2 LS inc. Trenching machine - Aux. 600v & 120/240V AC Power System 2 LS In E House package - Aux 125VDC system, including DC cables 2 LS In E House packageE-House Package 2 ea 2 Crane to place on foundation
Subtotal 6 2 0 0 2 0 2 0 1227.6 kV Collection System U/G Collection System - TrenchesTrench for Single Circuit, neat quantity 7,977 m
Excavation 4,800 m3 0 8 Trenching machine (floated between sites)
Sand Backfill 2,400 m3 0 Granular B Backfill 2,400 m3 0
Subtotal 0 0 0 0 0 0 0 0 8
Directional Drill Allowance 7 EA 0 7 Cable reel on trailer transported by truckDirectional Drill HDPE Casing, 4" 210 m 7 Driectional drill machine
3.3 27.6 kV U/G Collection System Subtotal
U/G 27.6 KV cables, neat quantity: 7,977 24 24Offloaded to laydown, later loaded onto trailers
AWG # 1, 3C CU 28kV 133% or equal in Alum 7,366 m inc AWG 250, 3C CU 28kV 133% or equal in Alum 1,572 m inc AWG 300, 3C CU 28kV 133% or equal in Alum 635 m inc Additional cost for power cable steel armor 1 LS inc Collection system grounding wire copper 4/0 9,572 m inc
Collection system fiber cables & auxiliaries 9,572 m inc
Collection system fiber auxiliaries 1 LS inc
Collection system control cable (8c, 14 AWG) 600 m inc
Cable terminations 48 set inc Cabe connectors 6 set inc 34.5 kV, 25kA, S&C Vista Switchgear, cat # 853214-P94 8 each 8 34.5 kV, 25kA, S&C Vista Switchgear, cat # TBA (3 pole) 1 each 1 34.5 kV, 25kA, S&C Vista Switchgear, cat # TBA (3 pole) 1 each 1 S&C Switches 1 LS Pad Mounted Lightning Arrestor 12 set Small item Concrete Bollards for Switches 8 each 8 Small item
Subtotal 32 0 0 0 0 0 0 0 31
Total Electrical Works (3.1 to 3.3) 38 2 0 0 2 0 2 0 51
Prepared by R.Skinner3-May-10
General Description of Construction Equipment
Kent Breeze CorporationKent Breeze Wind Farm and MacLeod Windmill Project (8 Ea x 2.5 MW = 20MW, 2 Points of Interconnection)GE 2.5 x I with a 100m rotor and 85 m tower hightQuantity of Construction Equipment Movements to/from Each Wind Turbine and Common AreasEquipment is Floated (Loaded onto Flatbeds) Where not Mobile
Item Description Qty UnitCrane Mobile
15tCrane Mobile
80tCrane Mobile
300t
Crane, Track, 1600t
(Float)
Excavator (Float)
Loader GraderRoller/
Compactor (Float)
Other Mobile Equipment
Comments
5 Turbine Erection5.1 Turbine Erection and Mechanical Completion 8 ea
- Turbine erection and mechanical completion - truck offloading 8 ea 16 112 8 - Turbine erection and mechanical completion - erection 5 ea 0 8 8 112
Total Turbine Erection and Mechanical Completion 16 120 16 112 0 0 0 0 0
6 Owner's Scope
Upgrade Existing Drainage/Drain Tile repairs - coupling kits (rubber) 200Ea 20
Assumes misc. backhoe work on 10%, rest are exposed ready for repair and backfill
Permanent Meteorlogical Towers 1 ea 1 1 Remediation of Local Roads - granular 6,000 m 2 2 2 Assumes 2 regrading crews Riser Poles For Interconnection - wood, 50ft 6 ea 2 Hydro One scope Crane Pad Site Clearing (Brushing, Applicable to MacLeod 4) 10,560 m2 2 2 New Access Roads Granular Removal 1,200 m3 8 8 400m of passing lanes (the roads stay)p g ( y) New Access Roads Reinstate topsoil area 2,250 m3 inc. Crane Pads Granular Removal 4,216 m3 8 8 Crane Pads Reinstate topsoil area 5,880 m3 inc. See construction equipment Service Center, Renovations to Existing Property 1 LS General materials, eg. drywall, timberTotal Owner's Scope 3 1 0 0 20 18 2 2 0
Total Construction Including Owner's Scope 140 123 16 112 70 35 56 30 121 Grand Total = 703
2.5xl Transport information
Tower section transportation
Blade transportation
Nacelle transportation (Gearbox shipped separately)
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
Kent Breeze CorporationMacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
APPENDIX 3A – TECHNICAL MEMORANDUM (STORMWATER MANAGEMENT)
2390 Argentia Road, Mississauga, Ontario, Canada L5N 5Z7 Tel: +1 (905) 567 4444 Fax: +1 (905) 567 6561 www.golder.com
Golder Associates: Operations in Africa, Asia, Australasia, Europe, North America and South America
Introduction
Kent Breeze Corporation and MacLeod Windmill Project Inc. (the Proponent) are proposing to develop a wind
energy project in the northern portion of the Municipality of Chatham-Kent. The Kent Breeze Wind Farms
Project (the Project) is a Class 4 wind facility consisting of eight wind turbines with a total nameplate generating
capacity of 20 megawatts (MW).
The Project will comprise a land area of 436 hectares (ha) and involves the construction of turbines, access
roads, and related electrical infrastructure to connect with the Hydro One overhead transmission corridor. There
are currently no plans to expand the Project beyond its current scope. The existing land use at the Project Area
is predominated by agriculture with some woodlot.
This technical memorandum was completed to assess the potential effects of stormwater runoff attributed to the
Project activities and to provide stormwater management options in accordance with Table 1 of O. Reg. 359/09
for a Renewable Energy Approval (REA); noting the following key tasks/objectives:
Develop a water balance analysis at the Project Area to determine the anticipated changes to runoff and
infiltration processes following the construction of the turbine foundations and access roads (i.e., land
surfaces of typically reduced permeability relative to existing conditions);
Outline additional approvals and authorizations that may be required (beyond Table 1 of O. Reg. 359/09);
and
Describe Best Management Practices (BMPs) to mitigate the potential effects from stormwater runoff and
erosion during site preparation and construction.
The following sections detail each of the tasks/objectives identified above.
DATE October 18, 2010 PROJECT No. 10-1151-0123
TO Brad West Suncor Energy Products Inc.
CC Chris Scott
FROM Ian Callum EMAIL [email protected]
KENT BREEZE WIND FARMS – STORMWATER MANAGEMENT
Brad West 10-1151-0123
Suncor Energy Products Inc. October 18, 2010
2/8
Water Balance
Environment Canada (EC) meteorological water budget data for London, Ontario (1936-1998) was acquired to
develop a water balance at the Project Area. The water budget data obtained from EC is computed daily (and
summarized monthly) based on methods/principals described by Thornthwaite and Mather (1955). The models
used by EC to generate the meteorological information are based exclusively on temperature and precipitation
and involve a series of assumptions and limitations (Johnstone and Louie, Year Unknown).
The water balance analysis presented herein represents a screening level hydrological assessment. The model
applies lumped meteorological data to relatively uniform watershed characteristics; hence, the analysis is not an
exact quantification of water moving in specific areas of a given catchment or at specific times during the
season. However, the method is important in showing the relative proportions of water moving through different
flow pathways.
General Overview
The total amount of surface water that flows from a particular discharge point is a function of how much water is
gained and lost in the upstream catchment area. Precipitation (rainfall and snowmelt) represent the input to the
system, while evapotranspiration (ET) and soil storage represent losses to the total available free water. A net
gain of water is considered surplus and is available for runoff and/or infiltration. The water balance can be
summarized as follows:
Rainfall + Snowmelt – ET – Change in Soil Storage = Surplus (Runoff and/or Infiltration)
The water balance model combines accumulated rainfall and snowmelt to estimate total precipitation. Rainfall
represents precipitation when monthly mean temperatures are greater than 0oC. Snowmelt is computed when
snow is on the ground and monthly mean temperatures are greater than 0oC (i.e., depletion of snow storage;
accumulated precipitation during periods of sub-zero temperatures).
The potential or maximum ET is estimated, in this case, by the empirical Thornthwaite equation (using average
monthly temperature and hours of daylight) and represents the amount of water that would be evaporated or
transpired under saturated soil water conditions. The actual ET is the total evapotranspiration for the period of
study based on evapotranspiration demand, available soil water storage and the rate at which that soil water is
drawn from the ground (as defined by an established drying curve specific to the soil type).
The maximum soil storage is quantified using a Water Holding Capacity (WHC) that is based on guidelines
provided in the Ministry of the Environment (MOE) Stormwater Management Planning and Design Manual
(MOE, 2003). The WHC represents the total amount of water that can be stored in the soil capillaries and is
defined as the water content between the field capacity and wilting point (the practical maximum and minimum
soil water content, respectively). WHCs are specific to the soil type and land use, whereby values range from 50
mm for a shallow rooted crop over sand to 350 mm for mature forest over hard clay. For temperate region
watersheds, soil storage is relatively stable year round, remaining at or near field capacity with the exception of
the typical mid to late summer dry period. As such, the change in soil storage is a minor component in the water
balance, particularly at an annual scale.
Surplus water remains in the system after actual ET has been removed (ET demand is met) and the maximum
WHC is exceeded (soil water storage demand is met). The surplus is further allocated to runoff or infiltration and
is largely dependent on catchment conditions (i.e., land use and soil characteristics/properties). Some infiltrated
Brad West 10-1151-0123
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water will be conveyed laterally in the near-surface soil layers as interflow and can re-surface at a point further
downgradient or report directly to a watercourse. A portion of infiltrated water may also report to the
groundwater zone as recharge.
Development of Model at Project Area
The water balance analysis was developed for each lot area where a turbine has been sited to estimate the
anticipated changes in runoff and infiltration processes under existing and proposed development conditions;
noting the following:
Average annual estimates of Precipitation were obtained from the EC meteorological water budget data for
London, Ontario.
Lot areas were delineated by soil type and land cover, whereby WHCs of 5 mm, 150 mm and 300 mm were
selected for the respective access roads (assumed to be 6 m wide) and turbine foundation (20 m by 20 m),
cultivated land of fine sandy loam and wooded areas of fine sandy loam.
Average annual estimates of Potential ET and Actual ET were obtained from the EC meteorological water
budget data for London, Ontario, where lot area specific ET was estimated based on the relative proportion
of each soil type / land cover.
Average annual surplus was estimated at each of the lot areas based on the net changes to the water
balance (see equation in overview section).
External drainage to lot areas (from upstream catchment areas) were assumed unaltered under existing
and proposed development conditions.
The average annual surplus at the various lot areas was distributed into runoff and infiltration components in
accordance with MOE Guidelines (MOE, 2003). Infiltration factors were chosen for the various land types and
multiplied by the total surplus to estimate the amount of annual infiltration: 0.7 (or 70%) for wooded areas; 0.6
(60%) for cultivated areas; and 0.0 (0%) for access roads and turbine foundations.
Results
The construction of less permeable surfaces (i.e., access roads and turbine foundations) on agricultural land
may affect stormwater runoff and infiltration rates, in turn affecting overall water surplus in the Project Area.
However, the area in which access roads and turbine foundations are constructed is relatively small compared to
the Project Area. Table 1 presents the results of the water balance analysis under existing and proposed
conditions. The anticipated increase in annual runoff (and associated decrease in annual infiltration) for lots
sited with a turbine is in the range of 0% to 3.9% or an average of 1.1 (relative to existing conditions). Overall,
the estimated change in the runoff/infiltration at the Project Area is considered negligible and hence does not
warrant further investigation.
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Table 1: Anticipated Change in Runoff Under Existing and Proposed Conditions
Turbine
Location
Approximate Lot
Area (m2)
Access Road and
Turbine
Foundation Area
(m2)
Existing Runoff
(m3/year)
Proposed Runoff
(m3/year)
Change in Runoff
(m3/year)
Kent-1 532,500 1,770 79,000 80,000 1.3
Kent-3 514,500 3,370 77,000 78,000 1.3
Kent-4 384,000 4,970 51,000 53,000 3.9
Kent-5 474,000 1,770 71,000 71,000 0.0
MacLeod-1 554,250 1,770 83,000 83,000 0.0
MacLeod-3 274,500 1,310 41,000 41,000 0.0
MacLeod-4 298,500 2,910 45,000 46,000 2.2
MacLeod-5 641,250 3,930 96,000 97,000 1.0
Total 3,673,500 21,800 543,000 549,000 1.1
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Approvals and Authorizations
There are two instances in which underground cabling will cross agricultural drainage ditches within the Project
Area. These locations are as follows:
Shaw Ferguson Drain and Barnhart Drain at Huffs Side Road; and
Mason Drain.
Additionally, an underground conduit will be connected from the Kent Switching Station and the MacLeod
switching Station, which crosses the Barnhart Drain and Huffs Side Road, For all locations identified here, the
installation of underground cabling will be completed by directional drill (i.e., to prevent potential disturbance to
the drainage ditches) in accordance with the Fisheries and Oceans Canada (DFO) Operational Statement for
High Pressure Directional Drilling.
An existing culvert crossing is located in the Barnhart Drain. Therefore, there is a possibility of it being disturbed
during the transfer of cranes to the turbine sites. If maintenance is required at this culvert crossing location, the
DFO Operational Statement for Culvert Maintenance will be followed.
Best Management Practices
Although the results presented in Table 1 demonstrate a negligible change in post-development runoff potential
(relative to existing conditions), Best Management Practices (BMPs) will be implemented prior to and during
construction to minimize potential erosion/sedimentation and associated effects to water quality. Table 2
outlines scenarios that may be encountered during site preparation and construction of the Project and the
BMPs described in guidelines by various conservation authorities and provincial ministries (MOE, MNR) that will
be employed to mitigate the potential effects of stormwater runoff.
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Table 2: Best Management Practices to Address Potential Environmental Effects attributed to Stormwater Runoff
Scenario Best Management Practices
Construction of access roads, clearing of turbines construction and switchyard stations, and trenching for interconnection cabling will involve striping of topsoil and subsoil. The stripped soil will be stockpiled adjacent to the construction site and can be a source of sediment load to stormwater runoff if proper sediment control measures are not implemented.
Construction access or activities occurring on unpaved areas will be minimized. Where necessary, entrances adjacent to public/private roads will be gravelled/ stabilized/ compacted to minimize the tracking of sediment onto the roads. Wheel washing, street sweeping, and street cleaning will be employed to prevent sediment from entering waterways. Silt fences will be installed around staging areas and stockpiles/waste areas, and on the downstream side of disturbed construction areas such as turbine sites, substation site, access road, trenching of underground electrical collector line, lay down and temporary storage areas to provide a temporary physical barrier to sediment and to reduce runoff velocities of overland volumes. Silt fences would be either machine sliced into the soil or installed by hand. Hand-installed silt fences will have the edge buried or weighted by sand bags. Disturbed areas will be graded and seeded, as appropriate, to match existing vegetation. These areas include turbine sites, trenching of underground electrical collector line, equipment lay down and temporary storage areas and access roads. Plastic covers will be used to cover exposed soil and sand stockpiled material areas. The covers will be placed over stockpiles prior to forecast storm events, and anchored to prevent damage by wind.
Truck and trailers will be used to transport equipment and materials to the site. In addition, bulldozers and hoes will be used to strip topsoil and subsoil. There is possibility that an oil spill from the designated fuelling areas could find its way into the site stormwater runoff. Equipment and material may be stored at temporary storage areas. The storage site can be a source of potentially hazardous material release to stormwater runoff.
Equipment such as service trucks, construction equipment, etc., will not undergo routine maintenance activities at the project site. In order to perform emergency repairs on site, spill prevention measures such as drip pans will be used, and temporary plastic will be placed beneath and, if raining, over the vehicle. Equipment fuelling will only be done by fuel delivery trucks, which come on site to fuel the construction vehicles and then leave. All vehicles, construction equipments including generators/welders/pumps, and petroleum product storage/dispensing areas will be inspected regularly to detect any leaks or spills, and to identify maintenance needs to prevent leaks or spills. Any fuel or oil leaks associated with the respective equipment will be immediately repaired and the construction contractor will be notified to evaluate the situation. Vehicle fuel will be utilized by contractors and any other personnel accessing the site via vehicle and/or utilizing fuel driven equipment. The amount of fuel used in each vehicle will be commensurate for the type of work being performed and within requirements for the specific equipment operated. Excess fuels will not be stored on any vehicle.
Brad West 10-1151-0123
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Scenario Best Management Practices
During construction of the project, no waste materials will be treated, stored, reused, or disposed of at the Project site. These wastes including all construction/demolition wastes composed of building materials will be shipped to an off-site waste materials disposal location for disposal in accordance with applicable laws. Contaminated surfaces will be cleaned immediately following any discharge or spill incident. Any accidental spills will be dealt with immediately in accordance with the MOE’s Spills and Discharges Reporting Protocol as required by the Ontario Environmental Protection Act (s. 92 and s. 15)
If a rainfall event occurs during the excavation for the turbine foundation, the excavated area could fill up with rainwater. This will increase sediment load in stormwater runoff, which may be deposited in nearby watercourses if proper BMPs are not implemented.
The rainwater will be pumped from the excavated area using a screen at the pump inlet and a silt bag at the outlet to collect sediment before the rainwater is released into the adjacent agricultural field. This will avoid the accumulation of sediment in stormwater runoff and subsequently prevent sedimentation in nearby watercourses.
Brad West 10-1151-0123
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The implementation of appropriate BMPs and mitigation measures will preclude or minimize potential adverse
effects to sediment and/or water quality as a result of erosion/sedimentation processes. As part of the erosion
and sediment control plan, the appropriate BMPs will be implemented prior to site preparation and construction.
In addition, construction staff will continually monitor site conditions and, if unexpected conditions occur,
alternate or additional BMPs may need to be implemented at the time of construction.
We trust that the above content meets your needs. If you have any questions or concerns, please do not
hesitate to contact us.
AE/IC/TW/vc \\mis1-s-filesrv1\data\active\2010\1151\10-1151-0123 suncor - kent solar - peer review\kent breeze eis\water assessment\stormwater\kent breeze stormwater memo 10october18.docx
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
Kent Breeze CorporationMacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
APPENDIX 3B – TECHNICAL MEMORANDUM (DEWA TER ING)
2390 Argentia Road, Mississauga, Ontario, Canada L5N 5Z7 Tel: +1 (905) 567 4444 Fax: +1 (905) 567 6561 www.golder.com
Golder Associates: Operations in Africa, Asia, Australasia, Europe, North America and South America
Suncor Energy Products Inc. (Suncor) is proposing to install eight wind turbines within a 5 km2 area, referred to as the Kent Breeze Wind Farm (the Site). The location of the Site and the wind turbines are shown on Figure 1.
Golder Associates Ltd. (Golder) has been retained by Suncor to complete a desktop review of the groundwater elevation in the vicinity of the Site. The purpose of this desktop review is to determine if foundation construction for the proposed wind turbines will intercept groundwater and potential dewatering rates that may be required in
support of foundation construction.
As part of this desktop study, the following information was reviewed:
Available topographic and surficial geology mapping from MNR NRVIS database;
Available Ontario Ministry of the Environment (MOE) Water Well Records (WWR) within 500 m of the Site;
Planned excavations depths for the wind turbine foundation construction; and
Logs of eight geotechnical boreholes that were installed at each proposed turbine location.
It is to be noted that geotechnical boreholes at the proposed wind turbine locations were installed by Hatch Ltd. (Hatch). A copy of the borehole logs (attached in Appendix A) has been provided to Golder by Suncor. Golder has received no further reporting regarding Hatch’s geotechnical investigation.
Based on a review of the above information, an assessment of groundwater levels and potential dewatering requirements are provided within the technical memorandum herein.
Local Geology
Near surface soils in the vicinity of the Site, which has been mapped by the Ontario Geological Survey (OGS), is
shown on Figure 1. Based on this mapping, shallow overburden soils can generally be separated into two types:
1) Coarse-textured glaciolacustrine soils (sand to silty sand); overlying; and
DATE July 19, 2010 PROJECT No. 10-1151-0123
TO Brad West Suncor Energy Products Inc.
CC Christopher Scott, Ian Callum
FROMAlex Ivanoff, P.Geo. Stephen Di Biase, P. Geo.
[email protected]; [email protected]
DESKTOP REVIEW OF GROUNDWATER ELEVATION. KENT BREEZE WIND FARM SITE, TOWNSHIP OF CAMDEN, ONTARIO
Brad West 10-1151-0123
Suncor Energy Products Inc. July 19, 2010
2/3
2) Massive well laminated soils (silt and clay).
Coarser-textured glaciolacustrine soils (shown in yellow on Figure 1) are mapped throughout the Site area. This mapping is consistent with Hatch borehole logs, which shows a thin (approximately 0.3 to 3 m) layer of sand
overlying thick deposits of silty clay. Silty clay soils extend from near ground surface to the top of bedrock, which is encountered from approximately 20 to 25 m below ground surface (bgs) in the vicinity of the Site.
It is noted that the Hatch borehole logs do not report groundwater levels observed within the geotechnical boreholes.
Topography and Drainage
Ground surface elevation contours in the vicinity of the Site are shown on Figure 2. Local terrain is flat-lying, ranging in elevation from approximately 180 to 185 metres above sea level (masl). The Thames River is the
principal water course in the area, flowing in a south westerly direction approximately 1 km south of the Site. Several surface water courses and engineered drains (e.g., Courtney Drain and Shaw-Ferguson Drain) are also located in the vicinity of the Site.
In addition to these surface water courses, several off-line ponds are located near the project area. Many are constructed ponds intended for irrigation, aesthetics and/or storm water retention.
Groundwater Elevation
As shown on Figure 2, a total of 73 MOE Water Well Records (WWR) are located within 500 m of the Site.
Depths to groundwater, which were reported in 50 of the 73 WWRs, have been summarized in Table 1. The depth to groundwater ranges from 1.5 to 10 m bgs, with a median depth of approximately 4.6 m bgs locally.
Using the reported groundwater elevations from the WWRs, groundwater elevation contours in the vicinity of the Site have also been inferred on Figure 2. The inferred groundwater elevation (or water table surface) is generally flat, ranging from approximately 180 masl near the Thames River to approximately 185 masl in the
upland areas north of the Site. These results indicate that the water table elevation is generally within 5 m of ground surface in the vicinity of the wind farm.
Potential For Construction Dewatering
Golder has been advised by Suncor that the foundation excavations required for construction of the Wind Turbines will be approximately 20 m in diameter and a depth of 2.5 m bgs. Based on the assessment provided
above, there is a relatively low potential that the depth of these excavations will intercept the water table (i.e., saturated ground conditions).
In order to confirm the water table elevation is below the base of the excavation, installation of piezometers into the shallow overburden (to a depth of approximately 3 m bgs) at each of the proposed construction locations would be required.
In the event that the proposed construction intercepts the water table elevation, construction dewatering will be required to capture groundwater inflow and/or remove direct precipitation into the excavation. Considering the
Brad West 10-1151-0123
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shallow depth of dewatering and the low permeability of massive well laminated soils, dewatering rates are not
expected to exceed 50 m3/day. As such, an MOE Permit to Take Water (PTTW) is not likely required to support construction.
Limitations
This technical memorandum, which has been prepared for Suncor Energy Products Inc., represents a desktop review to determine the depth to groundwater in the vicinity of the Kent Breeze Wind Farm Site. Any use which
a third party makes of this report, or any reliance on or decisions to be made based on it, are the sole responsibility of such third parties.
This report is based on data and information collected by Hatch Ltd. and provided to Golder by Suncor. Golder has completed no independent field investigation to assess hydrogeological or environmental conditions. Golder has relied in good faith on the data and information provided by Suncor and on other materials as noted in this
report. Golder has assumed that the information provided was factual and accurate. Golder accepts no responsibility for any deficiency, misstatement or inaccuracy contained in this report as a result of omissions, misinterpretations or fraudulent acts of persons interviewed or contacted.
References
Ontario Geological Survey. 2006. 1:250 000 scale bedrock geology of Ontario; Ontario Geological Survey,
Miscellaneous Release—Data 126 – Revised.
Hatch Ltd. 2010. Borehole Reports.
ADI/SMD/wlm Attachments: Table 1 Summary of MOE Water Well Record Information
Figure 1 Surficial Geology Figure 2 Groundwater Elevations and Inferred Groundwater Flow Direction
Appendix A Borehole Reports (Hatch, 2010) n:\active\2010\1151\10-1151-0123 suncor - kent solar - peer review\kent breeze eis\water assessment\dewatering\10-1151-0123 suncor tech memo kent breeze final 19jul10.docx
DESKTOP REVIEW - KENT BREEZE WIND FARM SITE
July 19, 2010 Project No. 10-1151-0123
TABLES
July 19, 2010 Project No. 10-1151-0123
Well ID Date Ground Elevation1 GW elevation2 Depth to Water(m) (m) (m)
3300026 11/21/1962 182.9 178.6 4.33300027 8/23/1960 182.9 173.1 9.83300031 10/10/1949 182.9 177.7 5.23300032 12/20/1953 182.9 179.2 3.73300033 7/31/1954 182.9 173.7 9.13300034 8/18/1954 182.9 174.3 8.53300036 8/14/1962 182.9 176.2 6.73300037 9/14/1962 182.9 177.1 5.83300078 11/20/1958 184.7 182.3 2.43300084 1/26/1967 186.5 181.4 5.23300085 2/17/1967 186.5 178.6 7.93300086 8/5/1953 186.5 182.0 4.63300087 7/1/1951 185.9 183.2 2.73300088 5/12/1966 185.9 182.6 3.43300089 9/20/1960 185.9 182.3 3.73300090 10/20/1967 185.9 181.1 4.93300091 11/4/1967 185.9 181.4 4.63300115 2/10/1967 186.2 180.7 5.53300117 10/20/1960 186.8 183.8 3.03300118 8/31/1965 186.8 184.4 2.43300122 5/11/1954 185.9 184.1 1.83304903 8/7/1969 182.9 175.6 7.33305137 5/8/1970 184.4 179.8 4.63305180 10/23/1970 184.4 180.7 3.73305313 5/24/1971 185.9 182.9 3.03305708 9/15/1972 185.9 182.6 3.43305709 7/1/1972 185.9 182.6 3.43305710 6/5/1972 184.4 180.4 4.03305721 4/7/1973 185.3 177.4 7.93305820 9/11/1973 184.4 180.7 3.73305821 9/8/1973 184.4 179.5 4.93306119 12/19/1974 185.9 182.9 3.03306370 4/29/1976 184.4 182.9 1.53306481 7/20/1976 185.9 181.4 4.63306577 7/25/1977 185.9 180.7 5.23306760 5/3/1978 186.5 180.4 6.13306849 8/2/1978 189.0 187.5 1.53306869 8/1/1978 189.0 184.1 4.93306934 12/20/1978 189.0 184.1 4.93306945 11/29/1978 189.3 188.1 1.23307444 4/26/1981 185.9 183.2 2.73307445 6/8/1981 185.9 183.2 2.73307502 5/8/1981 185.9 182.9 3.03307675 9/15/1983 182.9 173.7 9.13307730 10/15/1983 182.9 178.0 4.93308157 9/11/1987 187.5 182.6 4.93308158 9/16/1987 187.8 182.9 4.93308265 5/6/1988 187.5 180.4 7.03308266 5/13/1988 187.5 181.1 6.43308299 8/16/1988 188.1 185.0 3.03308307 7/21/1988 187.5 182.9 4.6Median: 185.9 181.4 4.6
Notes:1. Based on digital elevation model (DEM)2. As reported in Ontario Ministry of Environment (MOE) Water Well Records
Table 1: Summary of MOE Water Well Record Information
Golder Associates
DESKTOP REVIEW - KENT BREEZE WIND FARM SITE
July 19, 2010 Project No. 10-1151-0123
FIGURES
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SPLINTER LIN
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STAGE RD
FAIRFIELD LINE
LINDSAY RD
JANE S
T
SCANE RDMERRITT LINE
PITT RD
HUFFS SIDE RD
DEW DROP RD
J AN
E R
D
VIC
TO
RIA
RD
GROVE MILLS LINE
SELTON LIN
E
BROOK LINE
PAVEY LINE
SM
ITH
RD
PIONEER LIN
E
DARRELL LIN
E
CRAFTS LINE
FLO
RE
NC
E R
D
1 Z
ON
E R
D
2 Z
ON
E R
D
EBERTS LINE
SH
AR
RO
W R
D
FLA
T R
OC
K R
D
BR
ICK
RD
OA
KD
ALE
RD
BE
AR
CR
EE
K R
D
WABASH LI
NE
FYSH LINE
BLOCK LINE
BOTANY LIN
E
MAGNAVILLA LIN
E
SMOKE LINE EVERGREEN LIN
E
MASON LINE
LONGWOODS RD
RIV
ER
LIN
E
DA
WN
MIL
LS R
D
NORTON L
INE
INDUSTRIAL RD
BASE LINE
KENT BRIDGE RD
Thamesville
DawnMills
Thorncliffe
Wabash
KentBridge
NorthThamesville
Kent - 1
Kent - 3
Kent - 4
Kent - 5
Macleod - 1
Macleod - 5
Macleod - 4
Macleod - 3
8a
7a9
19
12
17
410000
410000
420000
420000
4710
000
4710
000
G:\P
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³LEGEND
Base Data - MNR NRVIS, obtained 2004, CANMAP v2008.4Oil Wells - Oil, Salt and Gas Resources, obtained 2004Produced by Golder Associates Ltd under licence from Ontario Ministry of Natural Resources, © Queens Printer 2010Surficial Geology Dataset produced by the Ontario Geological Survey, Ministry of Northern Development and Mines, © Queen's Printer for Ontario, 2003.Projection: Transverse Mercator Datum: NAD 83 Coordinate System: UTM Zone 17
REV.
Mississauga, Ontario
DESIGN
SURFICIAL GEOLOGY
FIGURE: 1
PROJECT NO. 10-1151-0123 SCALE AS SHOWN
PROJECT
TITLE
GIS
REVIEW
PP 8 Jul. 2010
CHECK
KENT BREEZE WIND FARM
JO 16 Jul. 2010
AI
SMD
16 Jul. 2010
16 Jul. 2010
HIGHWAY 401ST CLAIR RD
HIGHWAY 401
Chatham-Kent
West Elgin
St. Clair Dawn-Euphemia
REFERENCE
�
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Proposed Turbine Location
!. Community
Railway
Major Road
Local Road
Watercourse
Waterbody
Kent Breeze Wind Farm Area
Surficial Geology
5d: Glaciolacustrine-derived silty to clayey till
7a: Sandy deposits
8a: Massive-well laminated
9: Coarse-textured glaciolacustrine deposits
12: Older alluvial deposits
14: Coarse-textured lacustrine deposits
17: Eolian deposits
19: Modern alluvial deposits
INDEX MAP
0 1,000 2,000 3,000500
METRES1:50,000SCALE
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Liberty DrainBenjam
in Drain
Courtn
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rain
Shaw-Ferguson Drain
DEW DRO
P RDSPLIN
TER LINE
FLO
RE
NC
E R
D
RIVER LIN
E
BR
ICK
RD
SMOKE LINE
1 Z
ON
E R
D
EVERGREEN LINE
LONGWOODS RD
MAGNAVILLA LIN
E
SCANE RD
MASON LINE
KENT BRIDGE RD
BASE LINE
HUFFS SIDE RD
North
Thamesville
Wabash
Kent - 3
Kent - 4
Kent - 5
Macleod - 1
Macleod - 5
Macleod - 4
Macleod - 3
Kent - 1
185
180
185
185
185
185
185
185
185
190
185
190
185
185
185
185
185
185
185
185
185
185
18018
5
185
185
185
180
185
185
180
185
185
185
185
185
185
185
185
185185
185
185
185
185
185
190
3300026178.6m
3300027173.1m
33000283300029
3300031177.7m
3300032179.2m
3300034174.3m
33000353300036176.2m
3300037177.1m
3300078182.3m
3300083169.8m
3300084181.4m
3300085178.6m
3300086182.0m
3300087183.2m
3300088182.6m
3300090181.1m
3300091181.4m
3300115180.7m
3300117183.8m
3300118184.4m
3300122184.1m
3304903175.6m
3305134
33051723305180
180.7m
3305313182.9m
3305708182.6m
3305709182.6m
3305710180.4m
3305721177.4m
3305820180.7m
3305979
3306119182.9m
3306120
3306121
3306370182.9m
3306577180.7m
3306760180.4m
33067873306788
3306849187.5m
3306869184.1m
3306933
3306945188.1m
3307444183.2m
3307445183.2m3307502
182.9m
3307675173.7m
3307730178.0m
33081563308157182.6m
3308158182.9m
3308159
3308265180.4m
3308266181.1m
3308307182.9m
3308299185.0m
3300025
182.
5
180
182.5
185
411000
411000
412000
412000
413000
413000
414000
414000
415000
415000
416000
416000
417000
417000
418000
418000
4708
000
4708
000
4709
000
4709
000
4710
000
4710
000
4711
000
4711
000
4712
000
4712
000
4713
000
4713
000
G:\P
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³LEGEND
Base Data - MNR NRVIS, obtained 2004, CANMAP v2008.4Oil Wells - Oil, Salt and Gas Resources, obtained 2004Produced by Golder Associates Ltd under licence from Ontario Ministry of Natural Resources, © Queens Printer 2010Projection: Transverse Mercator Datum: NAD 83 Coordinate System: UTM Zone 17
REV.
Mississauga, Ontario
DESIGN
GROUNDWATER ELEVATIONS AND
INFERRED GROUNDWATER FLOW DIRECTION
FIGURE: 2
PROJECT NO. 10-1151-0123 SCALE AS SHOWN
PROJECT
TITLE
GIS
REVIEW
PP 8 Jul. 2010
CHECK
KENT BREEZE WIND FARM
JO 16 Jul. 2010
AI
SMD
16 Jul. 2010
16 Jul. 2010
HIGHWAY 401ST CLAIR RD
HIGHWAY 401
Chatham-Kent
West Elgin
St. Clair Dawn-Euphemia
REFERENCE
!( Water Well Record
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Proposed Turbine Location
ContourCableAccess Road
!. CommunityRailwayMajor RoadLocal RoadGroundwater Inferred Flow DirectionGroundwater ContourWatercourseWaterbodyWooded AreaKent Breeze Wind Farm Area
INDEX MAP
NOTES:
0 500 1,000 1,500250
METRES1:25,000SCALE
!(
3300036176.2m
MOE Well IDGroundwater Elevation
DESKTOP REVIEW - KENT BREEZE WIND FARM SITE
July 19, 2010 Project No. 10-1151-0123
APPENDIX A Borehole Reports
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
Kent Breeze CorporationMacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
APPENDIX 3C – TECHNICAL MEMORANDUM (WATER CROSSINGS)
www.golder.com
Golder Associates: Operations in Africa, Asia, Australasia, Europe, North America and South America
Introduction
Kent Breeze Corporation and MacLeod Windmill Project Inc. (the Proponent) are proposing to develop a wind
energy project in the northern portion of the Municipality of Chatham-Kent. The Kent Breeze Wind Farms
Project (the Project) is a Class 4 wind facility consisting of eight wind turbines with a total nameplate generating
capacity of 20 megawatts (MW).
The Project will involve the construction of turbines, access roads, and related electrical infrastructure to connect
with the Hydro One overhead transmission corridor located on approximately 436 hectares (ha) of land.
This technical memorandum summarizes correspondence between IBI Group (the Consultant for the Proponent)
and the associated Conservation Authorities regarding approvals and authorizations required for the construction
of the Project. Specifically, authorizations and approvals, or permission will be required for directional drilling
under the Shaw Ferguson and Mason Drains for the installation of underground cabling. Additional contact was
conducted with the SCRCA and LTVCA outside of conversations with the MOE. Correspondence with the
LTVCA indicates that a permit will not be required for direct drilling under the Mason Drain, but activities must
follow the Department of Fisheries and Oceans (DFO) Operational Statement for High Power Direction Drilling
(DFO, 2010). Correspondence with the SCRCA indicates that a permit will be required for direct drilling under
the Shaw Ferguson Drain. Further details regarding correspondence with the local CAs is presented below and
email correspondence is attached.
Details of the site preparation and construction activities and the associated environmental effects on
watercourses can be found in the Construction Plan Report. The authorization and approvals presented here
are based on the details provided in the Construction Plan Report.
Approvals and Authorizations
Site preparation and construction activities for the Project are not expected to have negative effects on the
agricultural drains located within the Project Area. However, where improvements or construction of new water
DATE July 22, 2010 PROJECT No. 10-1151-0123
TO Brad West Suncor Energy Products Ltd.
CC Christopher Scott
FROM Andrew Evers EMAIL [email protected]
KENT BREEZE WIND FARMS CONSTRUCTION PLAN REPORT – AUTHORIZATION AND APPROVAL REQUIREMENTS FOR WATERCOURSE CROSSINGS
Brad West 10-1151-0123
Suncor Energy Products Ltd. July 22, 2010
2/2
crossings are necessary, and where harmful alteration, disruption or destruction of fish habitat may occur,
authorization under the Fisheries Act by the DFO Canada may be necessary. Although all watercourse
crossings for service connections will be completed by directional drill, which will not disturb the channels, the
Operational Statement for High Pressure Direction Drilling will be used (DFO, 2010). No culverts will be installed
because directional drilling will be used.
Directional drilling for the installation of underground cabling crossing the Shaw Ferguson Drain is within the
jurisdiction of the St. Clair Region Conservation Authority (SCRCA). Contact was made with Alison Seidler
(GIS/Resource Planner) from the SCRCA on April 28th, 2010 (see attached). A permit application will have to be
submitted to the SCRCA for direct drilling under the Shaw Ferguson Drain in accordance with Section 28 of the
Conservation Authorities Act as detailed in correspondence with Alison Seidler from the SCRCA (see attached
email). The Regulation requires that the Proponent obtain written consent from the CA prior to construction
activities in a regulated area. The permit application is available on the SCRCA’s website.
The Barnhart Drain was installed in June of 1954 as an open ditch and then subsequently closed in with
drainage tile at a later date. The drain is within the jurisdiction of the SCRCA; however it is not currently located
on SCRCA watercourse mapping (see attached). No work is expected to occur on the drain and steel plates and
extra overburden will be used to protect the integrity of the drain at the time of construction.
Directional drilling for the installation of underground cabling across the Mason Drain is within the jurisdiction of
the Lower Thames Valley Conservation Authority (LTVCA). Contact was made with Valerie Towsley (Resource
Technician) from the LTVCA on April 9th, 2010 (see attached). Through this contact, notification via email to
Valerie Towsley 30 days prior to directional drilling at the Mason Drain is required. As mentioned above, the
Operational Statement for High Pressure Direction Drilling (DFO, 2010) will have to be followed in accordance
with LTVCA approval.
Upgrades and construction of watercourse crossings will proactively consider Eastern fox snake habitat in
accordance with the Endangered Species Act (2007). Culvert maintenance, if required, will occur between June
and mid-September when temperatures are sufficiently warm so that Eastern fox snake can readily escape
disturbance or after the fall freeze when snakes are in their hibernacula.
Best Management Practices (BMPs) will be considered at the time of construction to prevent sedimentation and
erosion in the drains. For drains that have standing water at the time of site preparation and construction, the
site will be isolated upstream and downstream. Sediment and erosion control will also be monitored and actions
to prevent this will include installation of a silt fence or re-vegetation along riparian areas. All equipment arriving
at the site will be cleaned and maintained to avoid leaks (i.e., oil, lubricants, hydraulic fluids, etc.). All equipment
will be stored, maintained and refuelled at temporary storage areas away from the drains to avoid spills.
We anticipate the above meets your needs. If you have any questions, please do not hesitate to contact us.
AE/Dd/vc \\mis1-s-filesrv1\data\active\2010\1151\10-1151-0123 suncor - kent solar - peer review\kent breeze eis\water assessment\authorizations\water assessment tech memo 10oct18 (1).docx
From: Valerie TowsleyTo: Derek DudekCc: "Muriel Andreae"Subject: RE: Kent BreezeDate: Thursday, June 03, 2010 11:09:38 AM
Derek Cleaning out the e-mails. Have sites been confirmed for culvert crossing locations for this project? Ifso, are engineer reports being done up for review by the CA's? Valerie TowsleyResource TechnicianLower Thames Valley Conservation Authority100 Thames StreetChatham, OntarioN7L 2Y8 Phone: 519-354-7310 Ext.: 226Fax: 519-352-3435 E-mail: [email protected] Web site: www.lowerthames-conservation.on.ca
From: Derek Dudek [mailto:[email protected]] Sent: Friday, March 26, 2010 2:32 PMTo: [email protected]; [email protected]: Kent Breeze
Not sure which email address is correct. Derek Dudek MCIP, RPP IBI Group Suite 203 - 350 Oxford Street WestLondon ON N6H 1T3 Canada tel 519 472 7328 ext 230cell 519 318 0237fax 519 472 9354email [email protected] www.ibigroup.com NOTE: This e-mail message and attachments may contain privileged and confidential information. If youhave received this message in error, please immediately notify the sender and delete this e-mailmessage. NOTE: Ce courriel peut contenir de l'information privilégiée et confidentielle. Si vous avez reçu cemessage par erreur, veuillez le mentionner immédiatement à l'expéditeur et effacer ce courriel.
From: Alison SeidlerTo: Derek DudekSubject: RE: Kent BreezeDate: Wednesday, April 28, 2010 2:33:18 PM
Derek,I was referring to the Barnhart Drain depicted on your earlier version of Map 5 ProjectInfrastructure(east side of Huffs Side road). We do not have that drain on our drainage maps andso I assumed that it was an omission error on our watercourse mapping, as it is so close thewatershed divides. So to confirm there are NO culvert installations within project # 1. You just
need to apply for the directional drill under the Shaw Ferguson Drain Alison SeidlerGIS/Resources Technician St. Clair Region Conservation Authority205 Mill Pond Cres.Strathroy, OnN7G 3P9Ph:(519)245-3710 ext. 33
From: Derek Dudek [mailto:[email protected]] Sent: April-28-10 2:00 PMTo: Alison SeidlerCc: Skinner, RobinSubject: RE: Kent Breeze
Thanks Alison,To confirm, where is the culvert you are referring to off Huff’s Side Road. West side to Kent-5? West side to Kent-1?I’ve attached a slightly revised map we did after field checking the drain crossings….and it is myunderstanding that the drains along Huff that appear on the map, don’t actually exist, so no culvertis required on either side of Huffs to Kent 5 or MacLeod 1. Can you confirm where you are referring to? Derek
From: Alison Seidler [mailto:[email protected]] Sent: Wednesday, April 28, 2010 1:49 PMTo: Derek DudekSubject: RE: Kent Breeze
Hi Derek, I apologize for the length of time it has taken to get back to you.
I have reviewed the proposed wind farm project and offer the following. The 2 proposedprojects are bisected by the watershed boundary of the St. Clair Region ConservationAuthority(SCRCA) and the Lower Thames Valley Conservation Authority(LTVCA). I canconfirm that Project # 2 is entirely within the jurisdiction of the Lower Thames ValleyConservation . You will need to contact the LTVCA to obtain information on their permitrequirements. Within Project #1 there are is one watercourse crossing , on the Shaw Ferguson Drain(west of Huff’s road) and one culvert installation ( at the proposed access laneway off ofHuff’s Road) that will require a Permit from the SCRCA. The permit is required under theAuthority’s “Development, Interference with Wetlands and Alterations to Shorelines andWatercourse” Regulations, implemented pursuant to Section 28 of the Conservation AuthoritiesAct. The regulation requires the proponent of a development to obtain the written permission ofthe Authority prior to the commencement of development activities within a regulated area. Development activities include: the construction of a structure; placement or removal of fill; re-grading; altering a watercourse or shoreline in any manner; or interfering with the function of awetland.
In addition the Authority has a Level II Agreement with the Department of Fisheries andOceans (DFO) and is responsible for assessing any proposed works with respect to potentialimpact on fish or fish habitat. It should be expected that any project proposing a potentialnegative impact on fish or fish habitat would be referred to DFO for their review. You can download a permit application from the SCRCA website at www.scrca.on.ca. oralternatively I can forward an application to you either by email or mail. The fee for thisapplication is $150 ( $50 per directional drill review and $100 for the culvert installation) .Cheques can be made payable to the St. Clair Regional Conservation Authority. In support of your completed application, please provide the following information:
1. Drawing/details (dimensions, embedding depth, location.etc) of the proposedstructures (please reference other significant features);
2. Grading /fill details;3. Sediment/erosion control methods;4. Details of the construction and installation techniques.
If you have any further questions please do not hesitate to contact me. Alison SeidlerGIS/Resources Technician St. Clair Region Conservation Authority
205 Mill Pond Cres.Strathroy, OnN7G 3P9Ph:(519)245-3710 ext. 33
From: Derek Dudek [mailto:[email protected]] Sent: March-26-10 2:45 PMTo: Alison SeidlerSubject: Kent Breeze As we just discussed. Derek Dudek MCIP, RPP IBI Group Suite 203 - 350 Oxford Street WestLondon ON N6H 1T3 Canada tel 519 472 7328 ext 230cell 519 318 0237fax 519 472 9354email [email protected] www.ibigroup.com NOTE: This e-mail message and attachments may contain privileged and confidential information. Ifyou have received this message in error, please immediately notify the sender and delete this e-mail message. NOTE: Ce courriel peut contenir de l'information privilégiée et confidentielle. Si vous avez reçu cemessage par erreur, veuillez le mentionner immédiatement à l'expéditeur et effacer ce courriel.
I B I G R O U P C O N S T R U C T I O N P L A N R E P O R T
Kent Breeze CorporationMacLeod Windmill Project Inc.
KENT BREEZE WIND FARMS
APPENDIX 3D – TECHNICAL MEMORANDUM (RESPONSE TO WATER-TAKING INQUIRY)
Tel: Fax: www.golder.com Golder Associates: Operations in Africa, Asia, Australasia, Europe, North America and South America
Introduction The purpose of this technical memorandum is to address questions posed by Ministry of the Environment (MOE) in a letter dated October 15, 2010 with regard to potential water takings for the Kent Breeze Wind Farms Project. The MOE requested that confirmation be provided to show that water taking activities will be less than 50,000 L/day. As stated in Technical Bulletin 2: Guidance for preparing the Design and Operations Report (Section 6.1) and Technical Bulletin 3: Guidance for Preparing the Construction Plan Report (Section 2.3) as part of Ontario Regulation 359/09, a Permit to Take Water (PTTW) is not required under the Ontario Water Resources
Act. However, upon construction, Suncor Energy Products Inc. (Suncor) will follow the guidance for application for a PTTW as published in the Permit to Take Water Manual (2005, publication 4932e), as necessary.
Potential Effects of Water Takings In addition, the MOE requested that potential environmental effects of water takings and mitigation measures be addressed.
Where required, dewatering for turbine foundation construction has the potential to temporarily alter shallow groundwater flow to waterbodies, watercourses and wetlands. Although dewatering activities would only occur until foundations are completed (approximately 4 months) or until groundwater levels receded to a suitable depth, a measurable change in local well levels and groundwater flow in the immediate vicinity of excavations and potentially for a period of 7 months afterward (4 months of drawdown from dewatering plus 3 months of water level recovery) could occur.
Subsequent release of pumped water from foundation dewatering to discharge areas can cause overland sediment transport to waterbodies, while direct discharge to waterbodies could introduce suspended sediments, resuspend bedload materials, and affect watercourse hydrology and water temperature near the point of discharge.
Mitigation Measures
All reasonable and practical measures will be used to manage takings efficiently to maximize the availability of water for existing or potential uses and to sustain ecosystem integrity. Natural functions of the local ecosystem
DATE October 18, 2010 PROJECT No. 10-1151-0123
TO Chris Scott Suncor Energy Products Inc.
CC Brad West, Suncor; Kristina Rudzki, MOE
FROM Andrew Evers EMAIL [email protected]
RESPONSE TO THE MINISTRY OF THE ENVIRONMENT RE: WATER TAKINGS FOR THE KENT BREEZE WIND FARMS PROJECT
Chris Scott 10-1151-0123 Suncor Energy Products Inc. October 18, 2010
2/2
will be protected by monitoring local groundwater levels, and utilizing pumping systems and pipelines to minimize erosion, sedimentation, flooding and surface water quality impacts.
If possible, the initial discharge point will be a constructed sump area or a vegetated buffer or woodlot with a low slope to reduce flow rates and minimize erosion of the soil surface.
We trust that the above meets your expectations. However, please do not hesitate to contact the above with any questions.
References Ministry of the Environment (MOE). 2010. Technical Bulletin 2: Guidance for preparing the Design and Operations Report. March 1, 2010. PIBS 7437e.
Ministry of the Environment (MOE). 2010. Technical Bulletin 3: Guidance for preparing the Construction Plan Report. March 1, 2010. PIBS 7438e.
AE/Dd/ae n:\active\2010\1151\10-1151-0123 suncor - kent solar - peer review\kent breeze eis\water assessment\dewatering\response to moe_water takings 10oct18.docx